Apple iPhone 7 Plus vs Samsung Galaxy M21

Compare recorded specifications, size and practical differences.

+ Add a third phone

Key differences

Calculated from recorded specifications using minimum difference thresholds. These are differences, not an overall ranking. For three phones, numeric highlights compare the two extremes.

  • Display technology

    OLED versus LCD

    iPhone 7 Plus:
    LCD
    Galaxy M21:
    OLED
  • Width

    Galaxy M21: 2.8 mm narrower

    iPhone 7 Plus:
    77.9 mm
    Galaxy M21:
    75.1 mm
  • Screen diagonal

    iPhone 7 Plus: 0.9 in smaller diagonal

    iPhone 7 Plus:
    5.5 in
    Galaxy M21:
    6.4 in
  • Memory variants

    At 128 GB storage

    iPhone 7 Plus:
    3 GB RAM
    Galaxy M21:
    6 GB RAM
  • Chipset

    iPhone 7 Plus:
    Apple A10 Fusion (16 nm)
    Galaxy M21:
    Exynos 9611 (10nm)
  • Rear camera layout

    iPhone 7 Plus:
    Dual
    Galaxy M21:
    Triple

Physical size

Relative size, not calibrated actual size. Front and side outlines share one scale and a bottom baseline. Generic outlines use recorded body dimensions, excluding camera bumps.

  1. 1. iPhone 7 Plus

    Height:
    158.2 mm
    Width:
    77.9 mm +2.8 mm versus Galaxy M21
    Depth:
    7.3 mm
  2. 2. Galaxy M21

    Height:
    159 mm
    Width:
    75.1 mm
    Depth:
    8.9 mm +1.6 mm versus iPhone 7 Plus

Weight

Bars start at zero and share a scale within this chart.

  1. 1. iPhone 7 Plus

    188 g

  2. 2. Galaxy M21

    188 g

Screen size

Approximate rectangular screens calculated from recorded diagonal and aspect ratio at one relative scale. Rounded corners and cutouts are not subtracted. These are not phone outlines or calibrated actual sizes.

  1. 1. iPhone 7 Plus

    Screen diagonal:
    5.5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    83.4 cm²
  2. 2. Galaxy M21

    Screen diagonal:
    6.4 in
    Aspect ratio (height:width):
    19.5:9
    Approximate rectangular screen area:
    100.5 cm²

Galaxy M21 has approximately 20.6% more rectangular screen area than iPhone 7 Plus.

Memory variants

Each row compares the same storage capacity. Cells show recorded RAM alternatives, not combined maxima. Not recorded does not mean unavailable in every market.

Recorded RAM for iPhone 7 Plus, Galaxy M21, compared at the same storage capacity.
StorageiPhone 7 PlusGalaxy M21
32 GB 3 GB RAM Not recorded
64 GB Not recorded 4 GB RAM
128 GB Recorded for all phones 3 GB RAM 6 GB RAM
256 GB 3 GB RAM Not recorded

Practical features

Explicit Yes and No values are shown directly. Qualified or regional records retain their details. Unknown means the record is missing.

1. iPhone 7 Plus

NFC:
Yes
Headphone jack:
No
Memory card support:
No

2. Galaxy M21

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSDXC (dedicated slot)

Battery capacity

Capacity is not battery life. No endurance test is implied.

Recorded battery capacity

Bars start at zero and share a scale within this chart.

  1. 1. iPhone 7 Plus

    2900 mAh

  2. 2. Galaxy M21

    6000 mAh

    +3100 mAh versus iPhone 7 Plus

Specifications

Open a section for more detail. On narrow screens, swipe sideways or use Left/Right arrow keys while the table is focused. Unknown means missing data, not No. Recorded zero values are shown as recorded.

1. iPhone 7 Plus2. Galaxy M21

Everyday essentials
Everyday essentials — specifications for iPhone 7 Plus, Galaxy M21.
SpecificationiPhone 7 PlusGalaxy M21
Dimensions (HxWxD)
  • 158.2 Х 77.9 Х 7.3 mm
  • 159 Х 75.1 Х 8.9 mm
Weight
  • 188 g
  • 188 g
Technology
  • LED-backlit IPS LCD
  • Super AMOLED
Screen size
  • 5.5" inch
  • 6.4" inch
Screen resolution
  • 1080 x 1920 px
  • 1080 x 2340 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 32/128/256 GB
  • 3 GB RAM
  • 64GB 4GB RAM
  • 128GB 6GB RAM
Memory card support
  • No
  • microSDXC (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 2900 mAh
  • Non-removable Li-Ion
  • 6000 mAh
  • Non-removable Li-Po
Operating system OS
  • iOS 10.0.1
  • upgradable to iOS 12.1.3
  • Android 10.0; One UI 2
Chipset
  • Apple A10 Fusion (16 nm)
  • Exynos 9611 (10nm)
NFC
  • Yes
Unknown
Headphone jack
  • No
  • Yes
Display
Display — specifications for iPhone 7 Plus, Galaxy M21.
SpecificationiPhone 7 PlusGalaxy M21
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 83.4 cm2
  • 100.5 cm2
Screen format
  • 16:9 (height:width)
  • 19.5:9 (height:width)
Screen to body ratio
  • 67.7%
  • 84.2%
PPI /points per inch/
  • 401 PPI
  • 403 PPI
Screen protection
  • Ion-strengthened glass
  • oleophobic coating
  • Corning Gorilla Glass 3
Camera and Video

Scores marked * are historical catalogue entries. Test conditions are unspecified; no new testing is implied.

Camera and Video — specifications for iPhone 7 Plus, Galaxy M21.
SpecificationiPhone 7 PlusGalaxy M21
Rear camera, main
  • 12 MP
  • Dual
  • 48 MP
  • Triple
Camera specs
  • 12 MP
  • f/1.8
  • 28mm (wide)
  • 1/3''
  • OIS
  • PDAF -12 MP
  • f/2.8
  • 56mm (telephoto)
  • 1/3.6''
  • 2x optical zoom
  • AF
  • 48 MP
  • f/2.0
  • 26mm (wide)
  • 1/2.0''
  • 0.8µm
  • PDAF -8 MP
  • f/2.2
  • 12mm (ultrawide)
  • 1/4.0''
  • 1.12µm -5 MP
  • (depth)
Functions
  • Face detection
  • HDR
  • HDR
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 7 MP
  • Single
  • 20 MP
  • Single
Specifications
  • 7 MP
  • f/2.2
  • 32mm (standard)
  • 20 MP
  • f/2.0
  • 26mm (wide)
DxOMark Main Score *
  • 88
Unknown
DxOMark Photo *
  • 90
Unknown
DxOMark Video *
  • 84
Unknown
Performance

Scores marked * are historical catalogue entries. Test conditions are unspecified; no new testing is implied.

Performance — specifications for iPhone 7 Plus, Galaxy M21.
SpecificationiPhone 7 PlusGalaxy M21
Processor CPU
  • Quad-core 2.34 GHz (2x Hurricane + 2x Zephyr)
  • Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53)
Graphics processor GPU
  • PowerVR Series7XT Plus (six-core graphics)
  • Mali-G72 MP3
Antutu 7 score *
  • 181234
Unknown
GeekBench 4 Single Core *
  • 3441
Unknown
GeekBench 4 Multi-Core *
  • 5797
Unknown
Antutu 8 score *
  • 239508
  • 182451
GeekBench 4 Battery *
  • 2329
Unknown
General specs
General specs — specifications for iPhone 7 Plus, Galaxy M21.
SpecificationiPhone 7 PlusGalaxy M21
Release date
  • 2016
  • September
  • 2020
  • March 18
Colors
  • Jet Black
  • Black
  • Silver
  • Gold
  • Rose Gold
  • Red
  • Midnight Blue
  • Raven Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 690 EUR
  • 160 EUR
Battery life
  • Stand by time- Up to 384 h (3G) Talking time- Up to 21 h (3G) Music play - Up to 60 h
Unknown
Body build
  • Front glass
  • body
  • Glass front (Gorilla Glass 3)
  • plastic back
  • plastic frame
Communication and Connectivity
Communication and Connectivity — specifications for iPhone 7 Plus, Galaxy M21.
SpecificationiPhone 7 PlusGalaxy M21
SIM card
  • Nano-SIM
  • Dual SIM (Nano-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - A1661
  • A1784 CDMA 800 / 1900 / 2100 - A1661 -3G - HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - A1661
  • A1784 CDMA2000 1xEV-DO & TD-SCDMA - A1661 -4G - LTE band 1(2100)
  • 2(1900)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 12(700)
  • 13(700)
  • 17(700)
  • 18(800)
  • 19(800)
  • 20(800)
  • 25(1900)
  • 26(850)
  • 27(800)
  • 28(700)
  • 29(700)
  • 30(2300)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500) - A1661
  • A1784
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 20(800)
  • 38(2600)
  • 40(2300)
  • 41(2500)
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE-A (3CA) Cat9 450/50 Mbps
  • EV-DO Rev.A 3.1 Mbps
  • HSPA
  • LTE-A
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • hotspot
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • GALILEO
  • QZSS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • 2.0
  • proprietary reversible connector
  • 2.0
  • Type-C 1.0 reversible connector
Bluetooth
  • 4.2
  • A2DP
  • LE
  • 5.0
  • A2DP
  • LE
Harmful irradiation
  • SAR - 1.19 W/kg (head) 1.19 W/kg (body) SAR EU - 1.24 W/kg (head) 1.00 W/kg (body)
  • SAR - 0.47 W/kg (head)
Music and Audio
Music and Audio — specifications for iPhone 7 Plus, Galaxy M21.
SpecificationiPhone 7 PlusGalaxy M21
Radio
  • No
  • FM radio
  • RDS
  • recording
Others
  • Wide color gamut -3D Touch display & home button
  • Active noise cancellation with dedicated mic
  • 420 nits max brightness
Other features
Other features — specifications for iPhone 7 Plus, Galaxy M21.
SpecificationiPhone 7 PlusGalaxy M21
Dop
  • Sensors Fingerprint (front-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass
  • barometer - Siri natural language commands and dictation - IP67 dust/water resistant (up to 1m for 30 mins) -Apple Pay (Visa
  • MasterCard
  • AMEX certified)
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast charging 15W